Switch to event type

web/src/app/Connection.js

@@ -1,5 +1,6 @@
 /* eslint-disable max-classes-per-file */
 import { basicAuth, bearerAuth, encodeBase64Url, topicShortUrl, topicUrlWs } from "./utils";
+import { EVENT_OPEN, isNotificationEvent } from "./events";
 
 const retryBackoffSeconds = [5, 10, 20, 30, 60, 120];
 
@@ -48,10 +49,11 @@ class Connection {
       console.log(`[Connection, ${this.shortUrl}, ${this.connectionId}] Message received from server: ${event.data}`);
       try {
         const data = JSON.parse(event.data);
-        if (data.event === "open") {
+        if (data.event === EVENT_OPEN) {
           return;
         }
-        const relevantAndValid = data.event === "message" && "id" in data && "time" in data && "message" in data;
+        // Accept message, message_delete, and message_read events
+        const relevantAndValid = isNotificationEvent(data.event) && "id" in data && "time" in data;
         if (!relevantAndValid) {
           console.log(`[Connection, ${this.shortUrl}, ${this.connectionId}] Unexpected message. Ignoring.`);
           return;

web/src/app/Poller.js

@@ -1,6 +1,7 @@
 import api from "./Api";
 import prefs from "./Prefs";
 import subscriptionManager from "./SubscriptionManager";
+import { EVENT_MESSAGE, EVENT_MESSAGE_DELETE } from "./events";
 
 const delayMillis = 2000; // 2 seconds
 const intervalMillis = 300000; // 5 minutes
@@ -55,7 +56,7 @@ class Poller {
 
     // Delete all existing notifications for which the latest notification is marked as deleted
     const deletedSequenceIds = Object.entries(latestBySequenceId)
-      .filter(([, notification]) => notification.deleted)
+      .filter(([, notification]) => notification.event === EVENT_MESSAGE_DELETE)
       .map(([sequenceId]) => sequenceId);
     if (deletedSequenceIds.length > 0) {
       console.log(`[Poller] Deleting notifications with deleted sequence IDs for ${subscription.id}`, deletedSequenceIds);
@@ -65,7 +66,9 @@ class Poller {
     }
 
     // Add only the latest notification for each non-deleted sequence
-    const notificationsToAdd = Object.values(latestBySequenceId).filter((n) => !n.deleted);
+    const notificationsToAdd = Object
+      .values(latestBySequenceId)
+      .filter(n => n.event === EVENT_MESSAGE);
     if (notificationsToAdd.length > 0) {
       console.log(`[Poller] Adding ${notificationsToAdd.length} notification(s) for ${subscription.id}`);
       await subscriptionManager.addNotifications(subscription.id, notificationsToAdd);

web/src/app/SubscriptionManager.js

@@ -3,6 +3,7 @@ import notifier from "./Notifier";
 import prefs from "./Prefs";
 import db from "./db";
 import { messageWithSequenceId, topicUrl } from "./utils";
+import { EVENT_MESSAGE, EVENT_MESSAGE_DELETE, EVENT_MESSAGE_READ } from "./events";
 
 class SubscriptionManager {
   constructor(dbImpl) {
@@ -15,7 +16,7 @@ class SubscriptionManager {
     return Promise.all(
       subscriptions.map(async (s) => ({
         ...s,
-        new: await this.db.notifications.where({ subscriptionId: s.id, new: 1 }).count(),
+        new: await this.db.notifications.where({ subscriptionId: s.id, new: 1 }).count()
       }))
     );
   }
@@ -48,7 +49,7 @@ class SubscriptionManager {
   }
 
   async notify(subscriptionId, notification) {
-    if (notification.deleted) {
+    if (notification.event !== EVENT_MESSAGE) {
       return;
     }
     const subscription = await this.get(subscriptionId);
@@ -83,7 +84,7 @@ class SubscriptionManager {
       baseUrl,
       topic,
       mutedUntil: 0,
-      last: null,
+      last: null
     };
 
     await this.db.subscriptions.put(subscription);
@@ -101,7 +102,7 @@ class SubscriptionManager {
 
         const local = await this.add(remote.base_url, remote.topic, {
           displayName: remote.display_name, // May be undefined
-          reservation, // May be null!
+          reservation // May be null!
         });
 
         return local.id;
@@ -174,7 +175,7 @@ class SubscriptionManager {
   /** Adds notification, or returns false if it already exists */
   async addNotification(subscriptionId, notification) {
     const exists = await this.db.notifications.get(notification.id);
-    if (exists || notification.deleted) {
+    if (exists || notification.event === EVENT_MESSAGE_DELETE || notification.event === EVENT_MESSAGE_READ) {
       return false;
     }
     try {
@@ -185,13 +186,13 @@ class SubscriptionManager {
       await this.db.notifications.add({
         ...messageWithSequenceId(notification),
         subscriptionId,
-        new: 1, // New marker (used for bubble indicator); cannot be boolean; Dexie index limitation
+        new: 1 // New marker (used for bubble indicator); cannot be boolean; Dexie index limitation
       });
 
       // FIXME consider put() for double tab
       // Update subscription last message id (for ?since=... queries)
       await this.db.subscriptions.update(subscriptionId, {
-        last: notification.id,
+        last: notification.id
       });
     } catch (e) {
       console.error(`[SubscriptionManager] Error adding notification`, e);
@@ -207,7 +208,7 @@ class SubscriptionManager {
     const lastNotificationId = notifications.at(-1).id;
     await this.db.notifications.bulkPut(notificationsWithSubscriptionId);
     await this.db.subscriptions.update(subscriptionId, {
-      last: lastNotificationId,
+      last: lastNotificationId
     });
   }
 
@@ -250,19 +251,19 @@ class SubscriptionManager {
 
   async setMutedUntil(subscriptionId, mutedUntil) {
     await this.db.subscriptions.update(subscriptionId, {
-      mutedUntil,
+      mutedUntil
     });
   }
 
   async setDisplayName(subscriptionId, displayName) {
     await this.db.subscriptions.update(subscriptionId, {
-      displayName,
+      displayName
     });
   }
 
   async setReservation(subscriptionId, reservation) {
     await this.db.subscriptions.update(subscriptionId, {
-      reservation,
+      reservation
     });
   }
 

web/src/app/db.js

@@ -13,7 +13,7 @@ const createDatabase = (username) => {
 
   db.version(3).stores({
     subscriptions: "&id,baseUrl,[baseUrl+mutedUntil]",
-    notifications: "&id,sequenceId,subscriptionId,time,new,deleted,[subscriptionId+new],[subscriptionId+sequenceId]",
+    notifications: "&id,sequenceId,subscriptionId,time,new,[subscriptionId+new],[subscriptionId+sequenceId]",
     users: "&baseUrl,username",
     prefs: "&key"
   });

web/src/app/events.js

@@ -0,0 +1,14 @@
+// Event types for ntfy messages
+// These correspond to the server event types in server/types.go
+
+export const EVENT_OPEN = "open";
+export const EVENT_KEEPALIVE = "keepalive";
+export const EVENT_MESSAGE = "message";
+export const EVENT_MESSAGE_DELETE = "message_delete";
+export const EVENT_MESSAGE_READ = "message_read";
+export const EVENT_POLL_REQUEST = "poll_request";
+
+// Check if an event is a notification event (message, delete, or read)
+export const isNotificationEvent = (event) =>
+  event === EVENT_MESSAGE || event === EVENT_MESSAGE_DELETE || event === EVENT_MESSAGE_READ;
+